JPH11255224A - Apparatus and method for management of manufacturing information - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make manufacturing information sufficiently usable even after manufactured goods are discharged out of a manufacturing line. SOLUTION: A memory card 21 is passed, in a set with each product under assembling, through a manufacturing line, and inspection results for a unit to be assembled at each assembling stage 23 are additionally written into the memory card 21 at the assembling stage. An inspection results read-out device 62 at a finished product inspection stage 24 reads the inspection results and the like written in at each of the stages out of the memory card 21 that is passed through, accompanying the finished product, and a finished product inspection device 63 judges acceptance or rejection of the finished product, based on the read-out information. A recording medium issuing device 64 codes, in addition to the inspection values and inspection results, manufacturing information including manufacturing date, month and year, model name of the product and the like into bar code or the like and prints the bar-coded information on a recording medium (QR code seal) 65 for issuing. With the finished product 25 shipped, carrying the recording medium 65, maintenance and the like can be executed, utilizing the manufacturing information, even after the product is shipped to a market.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] 1. Field of the Invention [0002] The present invention relates to a manufacturing information management apparatus and a manufacturing information management method for managing manufacturing information representing various types of information related to manufacturing and inspection of products manufactured on a manufacturing line.

[0002]

2. Description of the Related Art In a conventional production line, a pallet on which products to be assembled are placed flows, and each unit is sequentially mounted while the pallet flows from upstream to downstream of a main production line to assemble a finished product. It has become.

[0003] In such a production line, production instruction data indicating what type of model is to be produced on each pallet and inspection contents of the assembled product in order to carry out production management accurately and easily. There is a type in which a memory card on which inspection data indicating the above is written is affixed to each pallet and flows to a production line.

[0004] In each assembling process in the manufacturing line, the units are assembled in accordance with the manufacturing instruction data recorded on the memory card. In an inspection process of a production line, a product is inspected based on inspection data recorded on a memory card, and the inspection result is additionally written on the memory card.

[0005] At the end of the manufacturing line, a terminal device for managing finished products is arranged. From a memory card attached to a pallet on which finished products are placed, inspection results and specific inspection data are transmitted. The data is read and stored in a predetermined database for use in subsequent production management. The memory card is then initialized and re-used to produce the next product.

[0006]

However, in such a conventional technique, inspection results and inspection data read from a memory card are stored and recorded in a database.
No information on the product itself, such as inspection results, is left on the product itself after leaving the production line. For this reason, there has been a problem that, in the maintenance service in the market, etc., efficient maintenance utilizing information at the time of manufacturing cannot be performed.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the prior art, and has a manufacturing information management apparatus and a manufacturing information management apparatus capable of fully utilizing information at the time of manufacturing even after leaving a manufacturing line. It aims to provide a manufacturing information management method.

[0008]

The gist of the present invention to achieve the above object lies in the following inventions. [1] In a manufacturing information management device (10) that manages manufacturing information representing various types of information related to manufacturing and inspection of products manufactured on a manufacturing line (20), the manufacturing information is manufactured on the manufacturing line (20). A manufacturing information management device (10), comprising: a recording means (64) for recording on a predetermined recording medium (65) for each product which is to be shipped together with a completed product. .

[2] In a manufacturing information management device (10) for managing manufacturing information representing various information related to manufacturing and inspection of a product manufactured on the manufacturing line (20), the manufacturing information is stored in the manufacturing line (20). Recording means (6) for recording and issuing on a predetermined recording medium (65) for each product manufactured in (6) which is to be attached to the completed product.
Manufacturing information management device (1) comprising:
0).

[3] In a manufacturing information management device (10) for managing manufacturing information representing various kinds of information relating to manufacturing and inspection of products manufactured on the manufacturing line (20), the manufacturing information management device (10) is paired with each product in the manufacturing process. A management card (21) flowing in the manufacturing line (20); and a management card (21) arranged in one or more processes of the manufacturing line (20) and manufacturing information for each process which is manufacturing information in the process. Writing means (61) for writing to a product, at least in a completed product inspection step of the manufacturing line (20) or a subsequent step, and for each completed product, manufacturing information on the product is stored in a predetermined recording medium (65). Recording means (6) for recording and issuing on a product to be attached to the completed product
4), wherein the management card (21) is a memory card for recording various kinds of information in a rewritable manner, and is used repeatedly in the production line (20);
The recording means (64) is provided with the management card (2) that has flowed through the production line (20) in a pair with the completed product.
A manufacturing information management apparatus (10), wherein manufacturing information on the completed product is created based on the manufacturing information for each process recorded in (1), and the created manufacturing information is recorded on the recording medium (65) and issued. ).

[4] The recording means (64) encodes the manufacturing information into a predetermined code to encode the production information into the recording medium (6).
The manufacturing information management device (10) according to [1] or [2], wherein the information is recorded in 5).

[5] A product information accumulation recording means (54) for accumulatively recording the production information on each product manufactured in the manufacturing line (20), [1], [2] or [3] The manufacturing information management device according to [3].

[6] In a manufacturing information management method for managing manufacturing information indicating various kinds of information related to manufacturing and inspection of a product manufactured on a manufacturing line (20), each product manufactured on the manufacturing line (20) is provided. Wherein the manufacturing information relating to the product is recorded on a predetermined recording medium (65) and issued, and is attached to a completed product for shipment.

The present invention operates as follows. The recording means (64) integrates the production information representing various kinds of information relating to the manufacture and inspection of the product manufactured on the manufacturing line (20) with the completed product by using a predetermined recording medium (65) for each product. Record and issue what is shipped.

For example, a seal in which the pass / fail of each unit or the finished product, the inspection value, the date of manufacture, the part number, and the like are encoded into a barcode or a two-dimensional code and printed and recorded is issued by the recording means (64). And stick it to the finished product.

[0016] Thereby, even after the product comes out of the manufacturing line (20), the manufacturing information can be left in the product itself, and the maintenance service in the market can be efficiently performed by utilizing the information at the time of manufacturing. it can. Note that a nonvolatile memory may be used as the recording medium (65), and the memory may be shipped in a completed product.

In the production line (20), a management card (21) composed of a memory card, an IC card, or the like flows in pairs with each product in the production process. The writing means (61) arranged in one or more processes of the production line (20) writes the process-specific production information, which is the production information in that process, to the management card (21) flowing along with the product being assembled. Write additional.

The recording means (64) is arranged at least in a completed product inspection step of the production line (20) or a subsequent step, and is paired with a completed product in the production line (2).
On the basis of the process-specific production information recorded on the management card (21) flowing through the management card (0), production information relating to the completed product is created, and a recording medium (65) for attaching the production information to the completed product. ) And issue it.

As described above, the management card (21) flows into the manufacturing line (20) together with the product under assembly, and the inspection results and the inspection data are sequentially additionally written into the management card (21), and the manufacturing information on the completed product is managed. Since the data is read from the card (21), created, recorded on the recording medium (65) and issued, it is easy to collect and manage data such as inspection results in each process to be written on the recording medium (65). Thus, the operation of issuing the recording medium (65) can be performed efficiently.

Further, by encoding the manufacturing information into a predetermined code such as a two-dimensional code and recording it on a recording medium (65), the recorded contents can be easily read in the market using a scanner such as a bar code reader. And information at the time of manufacturing can be quickly and easily utilized.

Further, the product information accumulation recording means (54)
The production information on each product manufactured in the manufacturing line (20) is cumulatively recorded. Therefore, manufacturing data remains in both the factory and the product itself shipped from the factory,
By taking these measures, maintenance services and the like in the market can be performed quickly and easily.

[0022]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. Each drawing shows an embodiment of the present invention. FIG. 1 shows a manufacturing line 20 to which a manufacturing information management device 10 according to an embodiment of the present invention is applied. The manufacturing line 20 includes a sub-manufacturing line 20b for assembling various units constituting the finished product, and a main manufacturing line 20a for assembling the finished products by assembling the units assembled on the respective sub-manufacturing lines 20b.

In the main production line 20a, a pallet (not shown) for placing a product being assembled is flowing. Each unit is sequentially mounted while the pallet flows from upstream to downstream of the main production line 20a. It can be assembled as a product. Each pallet has a memory card 21 (management card) in which manufacturing instruction data indicating which type of model is to be manufactured on the pallet, inspection data indicating an inspection content and a reference value of pass / fail, and the like are written. ) Is attached. The memory card 2
Reference numeral 1 denotes a main production line 20a that is repeatedly used around a pallet.

In the memory card initial writing step 22 located at the most upstream side of the main manufacturing line 20a, manufacturing instruction data and inspection data indicating a model to be assembled on the pallet are written into a memory card 21 attached to each pallet. And the step of initializing the storage contents of the memory card 21. In the middle of the main production line 20a,
A plurality of unit assembling steps 23 for assembling the unit assembled and inspected in each sub-manufacturing line 20b to a product being assembled are arranged. The outlet of the corresponding sub-manufacturing line 20b joins the unit assembling step 23.

At the downstream of the main manufacturing line 20a, a finished product inspection step 2 for performing a final inspection of the assembled product.
4 are arranged. Products that have passed the inspection in the finished product inspection process 24 are packed and shipped as finished products 25. On the other hand, a product rejected in the inspection in the finished product inspection step 24 is removed from the line as a defective product 26 and is sent to repair a defective portion.

The production line 20 includes a production management device 3 for managing a production plan such as which model is to be produced and when.
1, the production management device 31 has production instruction data 32 indicating detailed instructions of the production contents for each model.
And a database storing inspection data 33 indicating the inspection content of the product, a reference value for determining pass / fail of the inspection, and the like.

The production management device 31 includes a production instruction data 32
And a function of creating manufacturing instruction data for a product manufactured on each pallet based on the inspection data 33. The created manufacturing instruction data is written to the memory card 21 in the memory card initial writing step 22.

At the exit of each sub-manufacturing line 20b, there is provided a unit inspection device 41 for inspecting a unit assembled on the sub-manufacturing line 20b alone. Each unit assembling step 23 includes a unit inspection device 41.
And a test result writing device 61 connected to the test result.
The inspection result writing device 61 has a function of reading the storage content of the memory card 21 attached to the pallet flowing through the main manufacturing line 20a, and receives the inspection result of the unit inspection device 41 through a transmission path, and Has a function of additionally writing data to a memory card 21 attached to a pallet on which a product on which the unit inspected this time is assembled is placed.

In each unit assembling step 23, a display device (not shown) for displaying the work contents to the worker is arranged, and based on the contents read from the memory card 21, the type of the unit to be assembled and the like are determined by the worker. To be displayed.

In the completed product inspection process 24, an inspection result reading device 62 and a completed product inspection device 63 are arranged.
Further, the completed product inspection device 63 is connected to a printer 53 for printing and outputting inspection results, a database 54 for accumulating and storing inspection results and the like, and a recording medium issuing device 64. The database 54 accumulates and stores completed cumulative data 54a indicating what type of product was manufactured, when and how much, and inspection result cumulative data 54b indicating the inspection result of each manufactured product. It has become.

The inspection result reading device 62 is a memory card 2 attached to a pallet on which a product to be inspected is placed.
1 to a function of reading the inspection result for each unit. The completed product inspection device 63 has a function of determining acceptability as a completed product based on an inspection result or the like for each unit read from the memory card 21 and cumulatively recording the determination result or the like in the database 54. . here,
The number of units that have passed as a single unit is checked, and pass / fail is determined based on whether or not the unit is equal to a predetermined reference value indicating the number of passes of the unit.

The recording medium issuing device 64 receives, from the finished product inspection device 63, the inspection result, inspection data for each unit, and manufacturing information representing the inspection result as a finished product, and expresses the content by a predetermined code. This is a device that issues a recording medium (QR code / seal) 65. The recording medium (QR code / seal) 65 is an adhesive sheet with a glue on the back surface, and is attached to the exterior of the corresponding inspected finished product.

Here, the manufacturing information is recorded on the recording medium (QR code / seal) 65 using a two-dimensional code called a QR code standardized by the International Association of Automatic Recognition Industries. The QR code is readable by a handy scanner or the like, like a normal barcode. In addition, the QR code can record about 30 times the amount of information in the same area as a normal bar code, can read in all directions, and can clean or damage about 30% of the data area area. It has an error correction function that can restore the data.

The recording medium issuing device 64 includes a manufacturing date, a manufacturing line identifier, a lot number, a sequence number, a product code, a special order, inspection data as a whole finished product, a part number for each unit, and inspection data. And the like are recorded on a recording medium (QR code / seal) 65.

Next, the operation will be described. Production management device 31
Creates production instruction data for products manufactured on each pallet based on the production instruction data 32 and the inspection data 33. This manufacturing instruction data is written to the memory card 21 in the memory card initial writing step 22.

In each unit assembling step 23 of the main manufacturing line 20a, the contents of the memory card 21 attached to the pallet are read by the inspection result writing device 61. Then, the operation content such as what type of unit should be mounted is displayed to the operator, and the operator mounts the unit on a product in the process of assembling according to the instruction.

The mounted unit is inspected by the unit inspection device 41. The inspection result is transmitted from the unit inspection device 41 to the inspection result writing device 61
The inspection result writing device 61 transmits the received inspection result of the unit alone to the memory card 2 attached to the pallet on which the product for assembling the unit is mounted.
1 is additionally written.

The memory card 21 records the pass / fail of the inspection as a single unit, an inspection value, a manufacturing date, a part number, and the like. For example, in the case of a unit having a thermistor element for detecting temperature, the characteristics of the thermistor are recorded as inspection values. Specifically, a resistance value when the temperature of the medium of 20 ° C. is measured is recorded as the inspection value.

In the finished product inspection step 24, the inspection result of each unit is read from the memory card 21 attached to the pallet on which the product to be inspected is loaded, by the inspection result reading device 6.
Read by 2. The finished product inspection device 63 determines pass / fail of the finished product based on the inspection result and the like read from the memory card 21. Note that the inspection contents, the reference values used for the inspection, and the like are read from the attached memory card 21.

If the inspection passes, the finished product inspection device 63
Is a recording medium issuing device 64
, And the recording medium issuing device 64
And prints and issues a recording medium (QR code / seal) 65 in which the content received from is encoded into a QR code and recorded.
The worker attaches a recording medium (QR code / seal) 65 to the exterior of the finished product 25 that has passed the inspection. afterwards,
The finished product 25 is packed and shipped.

On the other hand, if the inspection fails, the product is removed from the production line 20a as a defective product 26, and a process for dealing with a defective product such as reusing the defective portion is performed. In any case, the finished product inspection device 63 accumulates and records the inspection results and the like in the database 54.

As described above, since the inspection result and the like for each unit are read from the memory card 21, the inspection result for each unit can be obtained with a small number of man-hours in the finished product inspection process 24, and from the memory card 21. Since the inspection results of each unit are read at once, the inspection results of all units can be read without fail.

Since the memory card 21 is used repeatedly, the inspection result and the like when the memory card 21 flowed through the main production line 20a last time are erased from the memory card 21.
Since the data is cumulatively recorded in the database 54, production management and the like can be used later.

Next, a recording medium (QR code / seal) 6
5 is used in the market. FIG. 2 shows an example of a repair slip 70 used by a service person who performs maintenance on the water heater. The service person carries a small printer and a small personal computer for printing each item of the handy scanner and the repair slip 70. First, the recording medium (QR code / seal) 65 attached to the exterior of the water heater to be repaired is read using a handy scanner.

The recording medium (QR code / seal) 65 includes type information indicating whether the water heater is an indoor type or an alcoholic type, and whether the exhaust direction is left or right, etc.
Information such as a model name and a gas type is recorded. Therefore, based on these read data, the repair slip 7
Out of 0, each item of the model name 71, the gas type 72, and the type 73 can be automatically printed out, so that it is possible to save trouble of entry and prevent entry errors.

Further, a recording medium (QR code / seal) 6
Based on the information such as the production date and lot number recorded in 5, the presence / absence and contents of the technical report issued for the water heater to be repaired can be searched. That is, if all of the issued effective technical reports are stored in a personal computer in advance, the necessary technical information can be obtained from information such as the date of manufacture read from the recording medium (QR code / seal) 65. The search result can be searched and displayed, and the search result can be printed out in the technical report item 74 of the repair slip 70.

For example, when a technical report is issued to replace a predetermined part at the time of repair with respect to a model manufactured during a certain period, it is possible to quickly and easily determine whether or not the model to be repaired corresponds thereto. Can be checked and appropriate maintenance services can be provided.

Further, a recording medium (QR code / seal) 6
By comparing the initial inspection value of each unit and each component recorded in 5 with the current inspection value measured from the component attached to the water heater to be repaired, the cause of failure can be found and However, it is possible to easily find a part or the like which is nearing the end of its service life.

For example, when an element whose resistance value increases with deterioration is mounted, the recording medium (QR code
Based on the difference between the resistance value at the time of manufacturing read from the seal (65) and the current resistance value, it is possible to determine how much the element has deteriorated, and easily determine whether or not the element needs to be replaced. Therefore, the recording medium (QR code
By effectively utilizing the seal 65, even a maintenance person who does not have a high level of skill can perform proper maintenance and repair. Further, since the information at the time of manufacture is coded and recorded, a large amount of information can be recorded in a small space, and the appearance of the apparatus is not spoiled.

In the embodiment described above, the recording medium 6
Although various kinds of information at the time of manufacturing are recorded using the QR code in No. 5, it may be recorded in another format such as a normal barcode.
Also, it was recorded in a format that can be read by a scanner.
Manufacturing information may be recorded in a nonvolatile memory such as an EPROM. In this case, a terminal for reading out the contents stored in the memory is preferably provided. The serviceman connects the terminal carried to the terminal and reads out the manufacturing information.

In the embodiment, the inspection result in each step is written in the memory card 21, and the inspection result of each unit is read at a time in the final step and used for issuing a recording medium. Inspection results may be directly written in an EEPROM or the like in each assembling step 23, and in the completed product inspection step 24, in addition to this, an inspection result as a completed product, a manufacturing date, etc. may be additionally written. Further, a recording medium may be issued based on information read from such an EEPROM.

[0052]

According to the manufacturing information management apparatus and the manufacturing information management method of the present invention, it is possible to paste manufacturing information representing various kinds of information relating to manufacturing and inspection of a product manufactured on a manufacturing line onto a completed product. Since it is recorded and issued on a recording medium that can be used, it is possible to easily obtain information at the time of production even after the product comes out of the production line by pasting the recording medium on the finished product. By utilizing the information, it is possible to efficiently perform maintenance services and the like in the market.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram showing a production line to which a production information management device according to an embodiment of the present invention is applied.

FIG. 2 is an explanatory diagram showing an example of a repair slip used by a service person who performs maintenance on a water heater.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Manufacturing information management apparatus 20 ... Manufacturing line 20a ... Main manufacturing line 20b ... Sub-manufacturing line 21 ... Memory card 22 ... Memory card initial writing process 23 ... Unit assembly process 24 ... Completed product inspection process 25 ... Completed product 26 ... Defective product DESCRIPTION OF SYMBOLS 31 ... Production management device 32 ... Production instruction data 33 ... Inspection data 41 ... Unit inspection device 53 ... Printer 54 ... Database 61 ... Inspection result writing device 62 ... Inspection result reading device 63 ... Finished product inspection device 64 ... Recording medium issuance Device 65: Recording medium (QR code / seal) 70: Repair slip

Claims (6)

[Claims] 1. A manufacturing information management device for managing manufacturing information representing various information related to manufacturing and inspection of a product manufactured on a manufacturing line, wherein the manufacturing information is stored in a predetermined format for each product manufactured on the manufacturing line. A manufacturing information management device comprising a recording means for recording on a recording medium which is shipped together with a completed product. 2. A manufacturing information management apparatus for managing manufacturing information indicating various kinds of information related to manufacturing and inspection of products manufactured on a manufacturing line, wherein the manufacturing information is stored in a predetermined format for each product manufactured on the manufacturing line. A manufacturing information management device, comprising: a recording unit that records and issues a recording medium to be attached to a completed product. 3. A manufacturing information management apparatus for managing manufacturing information representing various kinds of information related to manufacturing and inspection of products manufactured on a manufacturing line, wherein the management is performed on the manufacturing line in combination with each product in a manufacturing process. A card, writing means arranged in one or more processes of the production line and writing process-specific production information, which is production information in the process, to the management card, at least a completed product inspection process of the production line or later And recording means for recording and issuing production information for each completed product on a predetermined recording medium to be attached to the completed product, for each completed product, A memory card for rewritably recording various information, which is repeatedly used in the production line, wherein the recording means, Based on the process-specific manufacturing information recorded on the management card that has flowed through the manufacturing line in combination with the completed product, production information on the completed product is created, recorded on the recording medium, and issued. A manufacturing information management device. 4. The manufacturing information management apparatus according to claim 1, wherein said recording means encodes the manufacturing information into a predetermined code and records the code on the recording medium. 5. The manufacturing information management apparatus according to claim 1, further comprising a product information accumulation recording means for accumulatively recording said production information for each product manufactured in said manufacturing line. 6. A manufacturing information management method for managing manufacturing information representing various kinds of information related to manufacturing and inspection of a product manufactured on a manufacturing line, wherein the manufacturing information on each product manufactured on the manufacturing line is provided. Is recorded on a predetermined recording medium and issued, and is attached to a completed product for shipment.